fix: add missing trailing newlines to deb control templates

dpkg-deb requires a final newline in control files. All four
templates (server, lib, dev, cli) were missing it, causing
"end of file during value of field" errors during package build.

packaging/deb/templates/control.cli

@@ -10,4 +10,4 @@ Section: contrib/utils
 Priority: optional
 License: proprietary
 Depends: libsmartbotic-db-client (>= {{VERSION}})
-Installed-Size: {{INSTALLED_SIZE}}
+Installed-Size: {{INSTALLED_SIZE}}

packaging/deb/templates/control.dev

@@ -10,4 +10,4 @@ Section: contrib/libdevel
 Priority: optional
 License: proprietary
 Depends: libsmartbotic-db-client (= {{VERSION}}), libprotobuf-dev, libgrpc++-dev, libspdlog-dev, nlohmann-json3-dev
-Installed-Size: {{INSTALLED_SIZE}}
+Installed-Size: {{INSTALLED_SIZE}}

packaging/deb/templates/control.lib

@@ -10,4 +10,4 @@ Section: contrib/libs
 Priority: optional
 License: proprietary
 Depends: libprotobuf32t64, libgrpc++1.51t64, libspdlog1.15, libfmt10
-Installed-Size: {{INSTALLED_SIZE}}
+Installed-Size: {{INSTALLED_SIZE}}

packaging/deb/templates/control.server

@@ -15,4 +15,4 @@ Provides: shadowman-database, callerai-storage
 Conflicts: shadowman-database, callerai-storage
 Replaces: shadowman-database, callerai-storage
 Depends: libsmartbotic-db-client (= {{VERSION}}), libssl3t64, liblz4-1
-Installed-Size: {{INSTALLED_SIZE}}
+Installed-Size: {{INSTALLED_SIZE}}