[SITE] add template, blueprint, css for project pages and projects page

assets/scss/templates/projects.scss

@@ -0,0 +1,31 @@
+/* STYLE for jannikbeyerstedt.de
+ * for specific template
+ */
+@import "custom";
+@import "variables";
+@import "mixins";
+
+@import "../mainvariables";
+
+// change main.scss behavior - inverted color style
+body {
+
+}
+
+
+// additional css
+main.projects {
+  .container {
+
+  }
+}
+
+
+
+// ---- from boostrap ----
+@import "images";
+@import "card";
+
+.card-img-top {
+  width: 100%;
+}