massive refactor toDrop cascadeStudio and add CadQuery + OpenSCAD

resolves #400

app/api/src/graphql/projects.sdl.ts

@@ -0,0 +1,52 @@
+export const schema = gql`
+  type Project {
+    id: String!
+    title: String!
+    description: String
+    code: String
+    mainImage: String
+    createdAt: DateTime!
+    updatedAt: DateTime!
+    user: User!
+    userId: String!
+    deleted: Boolean!
+    cadPackage: CadPackage!
+    Comment: [Comment]!
+    Reaction(userId: String): [ProjectReaction]!
+  }
+
+  enum CadPackage {
+    openscad
+    cadquery
+  }
+
+  type Query {
+    projects(userName: String): [Project!]!
+    project(id: String!): Project
+    projectByUserAndTitle(userName: String!, projectTitle: String!): Project
+  }
+
+  input CreateProjectInput {
+    title: String
+    description: String
+    code: String
+    mainImage: String
+    userId: String!
+    cadPackage: CadPackage!
+  }
+
+  input UpdateProjectInput {
+    title: String
+    description: String
+    code: String
+    mainImage: String
+    userId: String
+  }
+
+  type Mutation {
+    createProject(input: CreateProjectInput!): Project!
+    forkProject(input: CreateProjectInput!): Project!
+    updateProject(id: String!, input: UpdateProjectInput!): Project!
+    deleteProject(id: String!): Project!
+  }
+`