Function usePostActions

Returns {
    loading: boolean;
    error: string | null;
    createPost: (data: CreatePostData) => Promise<Post | null>;
    updatePost: (id: string, data: UpdatePostData) => Promise<Post | null>;
    deletePost: (id: string) => Promise<boolean>;
    toggleLike: (
        postId: string,
    ) => Promise<{ liked: boolean; likesCount: number } | null>;
    addComment: (
        postId: string,
        data: CreateCommentData,
    ) => Promise<PostComment | null>;
    deleteComment: (postId: string, commentId: string) => Promise<boolean>;
    getComments: (postId: string) => Promise<PostComment[]>;
}