Add community files before open-sourcing

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false

.github/CODEOWNERS

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+# Every change needs a review from a maintainer.
+* @YauhenBichel

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug report
+description: An estimate or result that does not match the README.
+labels: [bug]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time. **Never attach, paste or link a real photo of
+        a person's skin**, here or anywhere in this repository. The pixel sizes
+        and options you passed, and the result you got back, are enough.
+        Security problems go to info@molecare.co.uk instead (see SECURITY.md).
+  - type: textarea
+    id: what
+    attributes:
+      label: What happened
+      description: What you called, what you expected, and what came back (the result object is ideal).
+    validations:
+      required: true
+  - type: textarea
+    id: repro
+    attributes:
+      label: Smallest example
+      description: A few lines of code, with the reference object and options you used.
+      render: ts
+    validations:
+      required: true
+  - type: input
+    id: version
+    attributes:
+      label: Package version
+      placeholder: '1.0.0'
+    validations:
+      required: true
+  - type: input
+    id: runtime
+    attributes:
+      label: React Native or Expo version
+      placeholder: 'React Native 0.80, or Expo SDK 54'
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false
+contact_links:
+  - name: Report a security problem privately
+    url: https://github.com/MoleCare/rn-scale-reference/security/advisories/new
+    about: Please do not open a public issue for security problems.

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature request
+description: An idea that would make the package more useful.
+labels: [enhancement]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        This package estimates sizes and never presents an estimate as a clinical
+        measurement (see CONTRIBUTING.md). Ideas that label a size as worrying,
+        or hide the error in an estimate, will be declined. Better tilt handling,
+        uncertainty estimates and clearer messages are very welcome.
+  - type: textarea
+    id: problem
+    attributes:
+      label: The problem
+      description: What are you trying to do that is hard today?
+    validations:
+      required: true
+  - type: textarea
+    id: idea
+    attributes:
+      label: Your idea
+      description: How you would like it to work, ideally with the options or API you imagine.
+  - type: checkboxes
+    id: help
+    attributes:
+      label: Can you help?
+      options:
+        - label: I would like to open a pull request for this.

.github/ISSUE_TEMPLATE/reference_object.yml

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+name: New reference object
+description: Suggest a coin, card or sticker of known size.
+labels: [reference-object]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Every size in this package comes from a published source, so please
+        include one (a mint, standards body or manufacturer page).
+  - type: input
+    id: name
+    attributes:
+      label: Object
+      placeholder: 'Euro 1 cent coin'
+    validations:
+      required: true
+  - type: input
+    id: size
+    attributes:
+      label: Published size in millimetres
+      placeholder: '16.25 mm diameter'
+    validations:
+      required: true
+  - type: input
+    id: source
+    attributes:
+      label: Source for the size
+      placeholder: 'https://…'
+    validations:
+      required: true
+  - type: textarea
+    id: notes
+    attributes:
+      label: Anything that affects accuracy
+      description: Worn edges, several versions in circulation, shiny surfaces and so on.

.github/pull_request_template.md

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+## What this changes
+
+<!-- One change per pull request. What does a user notice? -->
+
+## Checklist
+
+- [ ] A test for the behaviour I changed (100% coverage stays)
+- [ ] A line in the top section of `CHANGELOG.md`, if a user would notice
+- [ ] Stateless: no module-level `let` or `var`, no caches, no `configure()`
+- [ ] Results and tables stay `Object.freeze`d
+- [ ] A new reference size cites its published source
+- [ ] No real photos of people
+- [ ] Estimates are still shown as estimates: no clinical wording, no false precision

.nvmrc

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+22

README.md

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 # @molecare/scale-reference
 
+[![CI](https://github.com/MoleCare/rn-scale-reference/actions/workflows/ci.yml/badge.svg)](https://github.com/MoleCare/rn-scale-reference/actions/workflows/ci.yml)
+[![npm](https://img.shields.io/npm/v/@molecare/scale-reference)](https://www.npmjs.com/package/@molecare/scale-reference)
+![types included](https://img.shields.io/npm/types/@molecare/scale-reference)
+[![licence](https://img.shields.io/badge/licence-Apache--2.0-blue)](LICENSE)
+
 Estimate real-world sizes in a photo from an object of known size in the same
 frame: a calibration sticker or a coin. Give it the ellipse your detector found
 around the reference. It returns a scale, tells you when a photo can't be used,