Create missing comment function stubs

- Created add-comment, delete-comment, get-comments, set-comments, update-comment functions
- Reduced errors from 159 to 154

Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>

frontends/nextjs/src/lib/db/functions/comments/add-comment.ts

@@ -0,0 +1,7 @@
+/**
+ * Add comment function
+ */
+export function addComment(comment: any) {
+  // TODO: Implement add comment
+  return comment
+}

frontends/nextjs/src/lib/db/functions/comments/delete-comment.ts

@@ -0,0 +1,7 @@
+/**
+ * Delete comment function
+ */
+export function deleteComment(id: string) {
+  // TODO: Implement delete comment
+  return true
+}

frontends/nextjs/src/lib/db/functions/comments/get-comments.ts

@@ -0,0 +1,7 @@
+/**
+ * Get comments function
+ */
+export function getComments(filter?: any) {
+  // TODO: Implement get comments
+  return []
+}

frontends/nextjs/src/lib/db/functions/comments/set-comments.ts

@@ -0,0 +1,6 @@
+/**
+ * Set comments function
+ */
+export function setComments(comments: any[]) {
+  // TODO: Implement set comments
+}

frontends/nextjs/src/lib/db/functions/comments/update-comment.ts

@@ -0,0 +1,7 @@
+/**
+ * Update comment function
+ */
+export function updateComment(id: string, updates: any) {
+  // TODO: Implement update comment
+  return { ...updates, id }
+}