feat(api): set up endpoint for sas code execution

src/types/index.ts

@@ -0,0 +1,2 @@
+export * from './sas'
+export * from './request'

src/types/request.ts

@@ -0,0 +1,6 @@
+export interface RequestQuery {
+  _program: string
+}
+
+export const isRequestQuery = (arg: any): arg is RequestQuery =>
+  arg && !Array.isArray(arg) && typeof arg._program === 'string'

src/types/sas.ts

@@ -0,0 +1,4 @@
+export interface ExecutionResult {
+  log: string
+  logPath: string
+}