Introducing 'LocProject.json' & 'README.md' for the migration of the localization platform to Juno (#5555)

* Create LocProject.json

* Create README.md

Author: kyongk

localize/LocProject.json

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+{
+  "_comment": "Find the details on 'Author Localization Project File' at https://eng.ms/docs/cloud-ai-platform/azure-core/azure-experiences-and-ecosystems/cme-international-customer-exp/software-localization-onelocbuild/onelocbuild/onboarding/localizationproject or https://aka.ms/OneLocBuild",
+  "Projects": [
+    {
+      "LanguageSet": "CRM_44_Languages",
+      "_LanguageSet.comment": "Find the details at https://dev.azure.com/ceapex/CEINTL/_git/SWSys-Build-XLoc?path=/src/OneBranchPackages/Localization.Languages/Localization.Languages.props",
+      "CloneLanguageSet": "BizApp_CloneLanguages1",
+      "_CloneLanguageSet.comment": "Find the details at https://dev.azure.com/ceapex/CEINTL/_git/SWSys-Build-XLoc?path=/src/OneBranchPackages/Localization.Languages/Localization.CloneLanguageSets.json",
+      "LocItems": [
+        {
+          "SourceFile": "packages\\api\\src\\Localization\\en-US.json",
+          "OutputPath": "packages\\api\\src\\Localization\\{Lang}.resx",
+          "CopyOption": "UsePlaceholders"
+        }
+      ]
+    }
+  ]
+}

localize/README.md

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+# Localization
+
+This directory contains the required localization configuration file (`LocProject.json`) that services this repository. This file controls which resources are included in the localization pipeline.
+
+
+## Maintenance Tasks
+
+### Localization PRs
+
+Our service generates localization PRs using the `Juno-OneLocBuild-Prod` Managed Identity. Please ensure these PRs are approved in a timely manner to guarantee the latest translations are included in builds. We ask teams to prioritize the completion of these PRs continuously.
+
+### Adding New Resource Files for Localization
+
+To add new resource files for localization:
+
+1. In the `LocProject.json` file, add a new entry in the `LocItems` array following the existing pattern (all relative paths are from the root of the repository):
+   ```json
+   {
+     "SourceFile": "folder-A\\folder-B\\folder-C\\YourResourceFile.en-US.resx",
+     "OutputPath": "folder-A\\folder-B\\folder-C\\YourResourceFile.{Lang}.resx",
+     "CopyOption": "UsePlaceholders"
+   }
+   ```
+
+2. For additional OutputPath bin placing naming conventions, visit [https://aka.ms/AllAboutLoc](https://aka.ms/AllAboutLoc) (refer to 'Author Localization Project File' topic) or [here](https://eng.ms/docs/cloud-ai-platform/azure-core/azure-experiences-and-ecosystems/cme-international-customer-exp/software-localization-onelocbuild/onelocbuild/onboarding/localizationproject#copyoption-outputpath-optional).
+
+### File Changes
+
+- **Deleted files**: Remove corresponding entries from the LocProject file
+- **Renamed files**: Update `SourceFile` and `OutputPath` in the LocProject file
+- **Files no longer needing localization**: Remove those entries from the LocProject file
+
+### Localization Bugs
+
+To report any localization bugs or issues with the deliverables, contact us at https://aka.ms/AllAboutLoc 
+
+## Important Notes
+
+⚠️ **Before expanding language support or onboarding new repos for localization:**
+
+Contact the localization team at [https://aka.ms/AllAboutLoc](https://aka.ms/AllAboutLoc) to:
+
+- Ensure language expansion is approved
+- Verify sufficient localization budget
+- Plan localization timeline