Added theme and image support functionality to the note app

• Added theme and image support functionality to the note app
• As these features worked without the use of a remote EC2 server, they are now being merged with main

app/build.gradle

@@ -25,7 +25,7 @@ dependencies {
     implementation project(':utilities')
     testImplementation 'org.jetbrains.kotlin:kotlin-test'
 
-    implementation 'org.xerial:sqlite-jdbc:3.30.1'
+    implementation 'org.xerial:sqlite-jdbc:3.39.3.0'
 
     implementation("org.slf4j:slf4j-simple:1.6.1")