added modifier extentions

app/src/main/java/be/ugent/sel/studeez/common/ext/ModifierExt.kt

@@ -0,0 +1,42 @@
+package be.ugent.sel.studeez.common.ext
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+
+fun Modifier.textButton(): Modifier {
+    return this.fillMaxWidth().padding(16.dp, 8.dp, 16.dp, 0.dp)
+}
+
+fun Modifier.basicButton(): Modifier {
+    return this.fillMaxWidth().padding(16.dp, 8.dp)
+}
+
+fun Modifier.card(): Modifier {
+    return this.padding(16.dp, 0.dp, 16.dp, 8.dp)
+}
+
+fun Modifier.contextMenu(): Modifier {
+    return this.wrapContentWidth()
+}
+
+fun Modifier.dropdownSelector(): Modifier {
+    return this.fillMaxWidth()
+}
+
+fun Modifier.fieldModifier(): Modifier {
+    return this.fillMaxWidth().padding(16.dp, 4.dp)
+}
+
+fun Modifier.toolbarActions(): Modifier {
+    return this.wrapContentSize(Alignment.TopEnd)
+}
+
+fun Modifier.spacer(): Modifier {
+    return this.fillMaxWidth().padding(12.dp)
+}
+
+fun Modifier.smallSpacer(): Modifier {
+    return this.fillMaxWidth().height(8.dp)
+}