Add Skills component and SectionLine component

src/styles/SectionLine.scss

@@ -0,0 +1,23 @@
+.sectionLine {
+	width: 100%;
+	display: flex;
+	justify-content: center;
+	align-items: center;
+
+	hr {
+		width: 60%;
+		border: 1px solid var(--color-border);
+	}
+
+	@media screen and (max-width: 768px) {
+		hr {
+			width: 80%;
+		}
+	}
+
+	@media screen and (max-width: 480px) {
+		hr {
+			width: 90%;
+		}
+	}
+}

src/styles/Skills.scss

@@ -0,0 +1,2 @@
+.skills {
+}

src/styles/variables_colors.scss

@@ -8,7 +8,7 @@
 	--color-font: #ffffff;
 	--color-font-muted: #a0a0a0;
 
-	--color-border: #1c1c1c;
+	--color-border: #2b2b2b;
 
 	--color-danger: #cf000f;
 	--color-success: #009944;