[Components] Add new component.ts file to codegen (#42479)

Removes `Mounts` and instead codegens a static API inside of `component.ts` that exposes what the component API looks like to external callers.

GitOrigin-RevId: f79d9ee77d7877651fd933c58cba4b4366d31fc5

Author: jordanhunt22

src/cli/codegen_templates/common.ts

@@ -10,3 +10,18 @@ export function header(oneLineDescription: string) {
    */
   `;
 }
+
+export function apiComment(
+  apiName: string,
+  type: "public" | "internal" | undefined,
+) {
+  return `
+  /**
+     * A utility for referencing Convex functions in your app's${type ? ` ${type}` : ""} API.
+     *
+     * Usage:
+     * \`\`\`js
+     * const myFunctionReference = ${apiName}.myModule.myFunction;
+     * \`\`\`
+     */`;
+}