diff --git a/Cargo.toml b/Cargo.toml
index d463e2b..bbeed62 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [workspace]
 resolver = "2"
 members = [
-    "crates/api-grub", "crates/config-delivery", "crates/preproc", 
+    "crates/api-grub", "crates/config-delivery", "crates/integr-structs", "crates/preproc", 
 ]
 
 [profile.dev]
diff --git a/crates/api-grub/Cargo.toml b/crates/api-grub/Cargo.toml
index 364c431..dab7e76 100644
--- a/crates/api-grub/Cargo.toml
+++ b/crates/api-grub/Cargo.toml
@@ -7,3 +7,6 @@ edition = "2021"
 serde = { version = "1.0.217", features = ["derive"] }
 serde_json = "1.0.135"
 tokio = { version = "1.43.0", features = ["full"] }
+integr-structs = {path = "../integr-structs"}
+env_logger = "0.11.6"
+log = "0.4.25"
diff --git a/crates/api-grub/src/config.rs b/crates/api-grub/src/config.rs
new file mode 100644
index 0000000..a785a84
--- /dev/null
+++ b/crates/api-grub/src/config.rs
@@ -0,0 +1,2 @@
+//  mod to communicate with api-grub config file
+//  1) check changes in unix-socket  
\ No newline at end of file
diff --git a/crates/integr-structs/Cargo.toml b/crates/integr-structs/Cargo.toml
new file mode 100644
index 0000000..fdf9743
--- /dev/null
+++ b/crates/integr-structs/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "integr-structs"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+serde = { version = "1.0.217", features = ["derive"] }
+serde_json = "1.0.135"
diff --git a/crates/integr-structs/src/api.rs b/crates/integr-structs/src/api.rs
new file mode 100644
index 0000000..e69de29
diff --git a/crates/integr-structs/src/lib.rs b/crates/integr-structs/src/lib.rs
new file mode 100644
index 0000000..febf0cd
--- /dev/null
+++ b/crates/integr-structs/src/lib.rs
@@ -0,0 +1,2 @@
+pub mod api;
+pub mod preproc;
\ No newline at end of file
diff --git a/crates/integr-structs/src/preproc.rs b/crates/integr-structs/src/preproc.rs
new file mode 100644
index 0000000..e69de29