add missing metadata

src/uu/free/Cargo.toml

@@ -2,8 +2,15 @@
 name = "uu_free"
 version = "0.0.1"
 edition = "2021"
+authors = ["uutils developers"]
+license = "MIT"
+description = "free ~ (uutils) Display amount of free and used memory in the system"
+
+homepage = "https://github.com/uutils/procps"
+repository = "https://github.com/uutils/procps/tree/main/src/uu/free"
+keywords = ["acl", "uutils", "cross-platform", "cli", "utility"]
+categories = ["command-line-utilities"]
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
 uucore = { workspace = true }

src/uu/pmap/Cargo.toml

@@ -2,6 +2,15 @@
 name = "uu_pmap"
 version = "0.0.1"
 edition = "2021"
+authors = ["uutils developers"]
+license = "MIT"
+description = "pmap ~ (uutils) Report memory map of a process"
+
+homepage = "https://github.com/uutils/procps"
+repository = "https://github.com/uutils/procps/tree/main/src/uu/pmap"
+keywords = ["acl", "uutils", "cross-platform", "cli", "utility"]
+categories = ["command-line-utilities"]
+
 
 [dependencies]
 uucore = { workspace = true }

src/uu/pwdx/Cargo.toml

@@ -2,8 +2,14 @@
 name = "uu_pwdx"
 version = "0.0.1"
 edition = "2021"
+authors = ["uutils developers"]
+license = "MIT"
+description = "pwdx ~ (uutils) Report current working directory of a process"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+homepage = "https://github.com/uutils/procps"
+repository = "https://github.com/uutils/procps/tree/main/src/uu/pwdx"
+keywords = ["acl", "uutils", "cross-platform", "cli", "utility"]
+categories = ["command-line-utilities"]
 
 [dependencies]
 uucore = { workspace = true }

src/uu/w/Cargo.toml

@@ -2,8 +2,14 @@
 name = "uu_w"
 version = "0.0.1"
 edition = "2021"
+authors = ["uutils developers"]
+license = "MIT"
+description = "w ~ (uutils) Show who is logged on and what they are doing"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+homepage = "https://github.com/uutils/procps"
+repository = "https://github.com/uutils/procps/tree/main/src/uu/w"
+keywords = ["acl", "uutils", "cross-platform", "cli", "utility"]
+categories = ["command-line-utilities"]
 
 [dependencies]
 uucore = { workspace = true, features = ["utmpx"] }

src/uu/watch/Cargo.toml

@@ -2,8 +2,14 @@
 name = "uu_watch"
 version = "0.0.1"
 edition = "2021"
+authors = ["uutils developers"]
+license = "MIT"
+description = "watch ~ (uutils) Execute a program periodically, showing output fullscreen"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+homepage = "https://github.com/uutils/procps"
+repository = "https://github.com/uutils/procps/tree/main/src/uu/watch"
+keywords = ["acl", "uutils", "cross-platform", "cli", "utility"]
+categories = ["command-line-utilities"]
 
 [dependencies]
 uucore = { workspace = true }