feat(api): initialize Azure Functions API for Miracles in Motion platform

- Added package.json with dependencies and scripts for building and testing the API.
- Implemented DIContainer for managing service instances (Cosmos DB, Key Vault).
- Created createDonation function to handle donation creation and Stripe payment processing.
- Implemented getDonations function for fetching donations with pagination and filtering.
- Defined types for Donation, Volunteer, Program, and API responses.
- Configured TypeScript with tsconfig.json for strict type checking and output settings.
- Developed deployment scripts for production and simple deployments to Azure.
- Created Bicep templates for infrastructure setup including Cosmos DB, Key Vault, and Function App.
- Added parameters for deployment configuration in main.parameters.json.
- Configured static web app settings in staticwebapp.config.json for routing and security.

api/host.json

@@ -0,0 +1,16 @@
+{
+  "version": "2.0",
+  "logging": {
+    "applicationInsights": {
+      "samplingSettings": {
+        "isEnabled": true,
+        "excludedTypes": "Request"
+      }
+    }
+  },
+  "extensionBundle": {
+    "id": "Microsoft.Azure.Functions.ExtensionBundle",
+    "version": "[4.*, 5.0.0)"
+  },
+  "functionTimeout": "00:05:00"
+}