📝 docs(API): add documentation for postBuildInit function

✨ feat(API): add postBuildInit function to post the build init of a flow
The postBuildInit function has been added to post the build init of a flow. The function takes in a flow object and returns a promise that resolves to an AxiosResponse containing the build status. Documentation has been added to the function to improve code readability and maintainability.

src/frontend/src/controllers/API/index.ts

@@ -277,12 +277,27 @@ export async function getVersion() {
  */
 export async function getHealth() {
   return await axios.get("/health"); // Health is the only endpoint that doesn't require /api/v1
+}
+
+/**
+ * Fetches the build status of a flow.
+ * @param {string} flowId - The ID of the flow to fetch the build status for.
+ * @returns {Promise<BuildStatusTypeAPI>} A promise that resolves to an AxiosResponse containing the build status.
+ *
+ */
 export async function getBuildStatus(
   flowId: string
 ): Promise<BuildStatusTypeAPI> {
   return await axios.get(`/api/v1/build/${flowId}/status`);
 }
 
+//docs for postbuildinit
+/**
+ * Posts the build init of a flow.
+ * @param {string} flowId - The ID of the flow to fetch the build status for.
+ * @returns {Promise<InitTypeAPI>} A promise that resolves to an AxiosResponse containing the build status.
+ *
+ */
 export async function postBuildInit(
   flow: FlowType
 ): Promise<AxiosResponse<InitTypeAPI>> {