Fix keywords and categories (#168)

Issue #, if available:
#167

Description of changes:

Fixes keywords and categories in Cargo.toml; specifically it ensures the number keywords is less than or equal to 5, because a value more than that causes an issue in cargo publish.

Author: am357

partiql-cli/Cargo.toml

@@ -6,7 +6,7 @@ homepage = "https://github.com/partiql/partiql-lang-rust"
 repository = "https://github.com/partiql/partiql-lang-rust"
 license = "Apache-2.0"
 readme = "../README.md"
-keywords = ["sql", "parser", "query", "compilers", "interpreters"]
+keywords = ["sql", "parser", "query", "compilers", "cli"]
 categories = ["database", "compilers", "parser-implementations"]
 exclude = [
   "**/.git/**",

partiql-conformance-test-generator/Cargo.toml

@@ -6,6 +6,8 @@ homepage = "https://github.com/partiql/partiql-lang-rust"
 repository = "https://github.com/partiql/partiql-lang-rust"
 license = "Apache-2.0"
 readme = "../README.md"
+keywords = ["sql", "parser", "conformance", "codegen", "tests"]
+categories = ["database", "compilers", "parser-implementations"]
 exclude = [
     "**/.git/**",
     "**/.github/**",

partiql-conformance-tests/Cargo.toml

@@ -6,6 +6,8 @@ homepage = "https://github.com/partiql/partiql-lang-rust"
 repository = "https://github.com/partiql/partiql-lang-rust"
 license = "Apache-2.0"
 readme = "../README.md"
+keywords = ["sql", "parser", "conformance", "compilers", "tests"]
+categories = ["database", "compilers", "parser-implementations"]
 exclude = [
     "**/.git/**",
     "**/.github/**",

partiql-playground/Cargo.toml

@@ -6,8 +6,8 @@ homepage = "https://github.com/partiql/partiql-lang-rust"
 repository = "https://github.com/partiql/partiql-lang-rust"
 license = "Apache-2.0"
 readme = "../README.md"
-keywords = ["sql", "ast", "query", "compilers", "interpreters"]
-categories = ["database", "compilers", "wasm", "frontend"]
+keywords = ["sql", "ast", "query", "compilers", "playground"]
+categories = ["database", "compilers", "wasm", "web"]
 exclude = [
     "**/.git/**",
     "**/.github/**",

partiql-source-map/Cargo.toml

@@ -6,7 +6,7 @@ homepage = "https://github.com/partiql/partiql-lang-rust"
 repository = "https://github.com/partiql/partiql-lang-rust"
 license = "Apache-2.0"
 readme = "../README.md"
-keywords = ["sql", "source", "sourcemap", "query", "compilers", "interpreters"]
+keywords = ["sql", "sourcemap", "query", "compilers", "interpreters"]
 categories = ["database", "compilers"]
 exclude = [
     "**/.git/**",