WIP: engine.#Exec

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

docs/reference/europa/dagger/engine/README.md

@@ -8,6 +8,18 @@ sidebar_label: engine
 import "alpha.dagger.io/europa/dagger/engine"
 ```
 
+## engine.#CacheDir
+
+A (best effort) persistent cache dir
+
+### engine.#CacheDir Inputs
+
+_No input._
+
+### engine.#CacheDir Outputs
+
+_No output._
+
 ## engine.#Context
 
 ### engine.#Context Inputs
@@ -18,6 +30,18 @@ _No input._
 
 _No output._
 
+## engine.#Exec
+
+Execute a command in a container
+
+### engine.#Exec Inputs
+
+_No input._
+
+### engine.#Exec Outputs
+
+_No output._
+
 ## engine.#FS
 
 A reference to a filesystem tree. For example:  - The root filesystem of a container  - A source code repository  - A directory containing binary artifacts Rule of thumb: if it fits in a tar archive, it fits in a #FS.
@@ -42,6 +66,18 @@ _No input._
 
 _No output._
 
+## engine.#Mount
+
+A transient filesystem mount.
+
+### engine.#Mount Inputs
+
+_No input._
+
+### engine.#Mount Outputs
+
+_No output._
+
 ## engine.#Plan
 
 A deployment plan executed by `dagger up`
@@ -100,6 +136,18 @@ _No input._
 
 _No output._
 
+## engine.#TempDir
+
+A temporary directory for command execution
+
+### engine.#TempDir Inputs
+
+_No input._
+
+### engine.#TempDir Outputs
+
+_No output._
+
 ## engine.#WriteFile
 
 ### engine.#WriteFile Inputs