Add assets microservice base

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

backend/.dockerignore

@@ -0,0 +1,14 @@
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
+
+.env*
+Dockerfile
+.dockerignore