ADD: added basic backend function plus a mockup for a cli interface

backend/db/schema.sql

@@ -1,9 +1,21 @@
 
-CREATE TABLE users (
-    id UUID PRIMARY KEY,
-    email VARCHAR(255) UNIQUE NOT NULL,
-    name VARCHAR(255) NOT NULL,
-    password_hash VARCHAR(255) NOT NULL,
-    created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
-    updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
-);
+-- Table: public.users
+
+-- DROP TABLE IF EXISTS public.users;
+
+CREATE TABLE IF NOT EXISTS public.users
+(
+    id character varying(255) COLLATE pg_catalog."default" NOT NULL DEFAULT uuid_generate_v4(),
+    email character varying(255) COLLATE pg_catalog."default" NOT NULL,
+    name character varying(255) COLLATE pg_catalog."default" NOT NULL,
+    password_hash character varying(255) COLLATE pg_catalog."default" NOT NULL,
+    created_at timestamp with time zone DEFAULT CURRENT_TIMESTAMP,
+    updated_at timestamp with time zone DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT users_pkey PRIMARY KEY (id),
+    CONSTRAINT users_email_key UNIQUE (email)
+)
+
+TABLESPACE pg_default;
+
+ALTER TABLE IF EXISTS public.users
+    OWNER to admin;