Separated typescript interfaces into its own file and polished and cleaned up overall code

src/Interfaces/Interfaces.tsx

@@ -0,0 +1,51 @@
+// Redux Interfaces
+export interface LoginState {
+  Login: { logged_in: boolean };
+}
+
+export interface LoggedInUserState {
+  LoggedInUser: {
+    value: {
+      email: string;
+      id: number;
+      username: string;
+    };
+  };
+}
+
+// Component Props Interfaces
+
+export interface NoteProps {
+  title: string;
+  content: string;
+  id: number;
+  date_created: string;
+}
+
+export interface IconProps {
+  size: number;
+  color: string;
+}
+
+// API Interfaces
+
+export interface RegistrationParams {
+  email: string;
+  username: string;
+  password: string;
+}
+
+export interface LoginParams {
+  username: string;
+  password: string;
+}
+
+export interface ActivationParams {
+  uid: string;
+  token: string;
+}
+
+export interface AddNoteParams {
+  title: string;
+  content: string;
+}