move compiler/Dockerfile -> Dockerfile.compiler

Author: achimcc

compiler/Dockerfile renamed to Dockerfile.compiler

@@ -8,7 +8,7 @@ ENV CARGO_TARGET_DIR="/target"
 RUN cargo contract new contract
 
 # Provide Cargo.toml with all ink! dependencies
-COPY Cargo.toml /builds/contract/Cargo.toml
+COPY crates/contract/Cargo.toml /builds/contract/Cargo.toml
 
 # Prebuild ink! dependencies
 RUN cd contract && cargo contract build