For skills, assuming you are using Sentinel as your starting class, you could have points inside Computer Use, Security, Persuade, Repair, Stealth and around 15-18 points inside Demolition.
Repair and Persuade are skills you will want as it determines how efficiently you can break items down into components and turning conversations towards your choices.
You won't really need to have all skills listed above, just include Stealth, Repair and Persuade along with another skill you prefer. Demolition can also be one of your main skills if you like disarming and laying mines as traps for any opponents. Useful againt Jedi Masters like Vrook. Have Intelligence at around 14 points.
Keep raising strength and have constitution between 14-16. You could use Critical Strike or Flurry and also go for two single lightsabers. You might want to have starting Wisdom at around 14. Charisma is not exactly necessary for additional force points. 14 points into Dex might suffice.
The personal crystal you get from Dantooine's crystal cave will add bonuses to Charisma and a few other attributes. If you level your character up to 24, bonuses from the crystal will be at least around 4 points for a few attributes.